阅读说明：本技术 一种变电箱维护用安全围栏 (Security fence for maintaining transformer box ) 是由 李健 郑伟然 黄庆博 郭际明 王辉 王春华 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种变电箱维护用安全围栏,涉及变电箱的安全防护设备技术领域,包括栏杆,栏杆设于变电箱周围土地的预留坑中,预留坑中设有用于驱动栏杆沿着预留坑的坑壁竖直滑动的驱动组件,预留坑的坑口设有水平设置的支撑杆,支撑杆与预留坑的坑壁竖直滑动连接,支撑杆上设有用于遮挡预留坑的坑口的盖板,盖板与支撑杆水平滑动连接,栏杆上方设有斜杆,斜杆的下端与预留坑的坑壁铰接,斜杆的上端与盖板的一端铰接,预留坑的坑壁设有用于将斜杆推向栏杆的弹性件。本发明能够节约运输资源和存储资源。(The invention discloses a safety fence for maintaining a transformer substation box, and relates to the technical field of safety protection equipment of the transformer substation box. The invention can save transportation resources and storage resources.)

1. The utility model provides a transformer case is maintained and is used security fence, including the railing, a serial communication port, the railing is located in the reservation hole of transformer case soil all around, be equipped with in the reservation hole and be used for driving the railing along the vertical gliding drive assembly of the hole wall of reservation hole, the entrance to a pit of reservation hole is equipped with the bracing piece that the level set up, the bracing piece is with the vertical sliding connection of the hole wall of reservation hole, be equipped with the apron that is used for sheltering from the entrance to a pit of reservation hole on the bracing piece, apron and bracing piece horizontal sliding connection, the railing top is equipped with the down tube, the lower extreme of down tube is articulated with the hole wall of reservation hole, the upper end of down tube is articulated with the one end of apron, the hole wall of reservation hole is equipped with and is used for pushing the down tube to the elastic component of railing.

2. The safety fence for maintaining the power transformation box as claimed in claim 1, wherein the driving assembly comprises a motor, a gear and a rack, the wall of the reserved pit is provided with the motor, an output shaft of the motor is provided with the gear, the rail is provided with the vertically arranged rack, and the rack is matched with the gear.

3. The security fence for maintaining the power transformation box as claimed in claim 2, wherein the rail is provided with a rail guide groove, the wall of the prepared pit is provided with a rail guide rail, and the rail guide rail is vertically and slidably matched with the rail guide groove.

4. The safety fence for maintaining the power transformation box as claimed in claim 2, wherein the lower end surface of the supporting rod is provided with a supporting guide rod, the pit wall of the reserved pit is provided with a supporting sleeve, the supporting guide rod is arranged in the supporting sleeve, and the supporting guide rod is vertically and slidably matched with the supporting sleeve.

5. The safety fence for maintaining the power transformation box as claimed in claim 2, wherein the upper end surface of the supporting rod is provided with a supporting sliding rod, the lower end surface of the cover plate is provided with a dovetail sliding groove, and the supporting sliding rod is in horizontal sliding fit with the dovetail sliding groove.

6. A security fence for maintaining a power transformation box as claimed in any one of claims 2 to 5, wherein the pithead of the reserved pit is provided with a pithead sealing strip.

7. The security fence for maintaining the transformation box as claimed in claim 7, wherein the upper end surface of the cover plate is provided with a mounting groove, and a turf is arranged in the mounting groove.

8. The security fence for maintaining the transformation box as claimed in claim 8, wherein a supporting pile for supporting the rail is arranged at the bottom of the reserved pit.

Technical Field

The invention relates to the technical field of safety protection equipment of a transformer box, in particular to a safety fence for maintaining the transformer box.

Background

The transformer box is a device for transforming, concentrating and distributing voltage and current in a power system. The transformer boxes are mostly built in green belts so as to be far away from passers-by on the road. In order to ensure that the transformer box can normally operate, the worker is required to regularly overhaul and maintain the transformer box. When overhauing the transformer case and maintaining, need establish security fence temporarily around the transformer case to prevent that passerby from getting into by mistake and being injured by electricity.

As shown in fig. 1, the conventional security fence includes a balustrade 2. When setting up security fence, need the staff to use the vehicle to transport scene with railing 2, then the staff encloses railing 2 and establishes around transformer case 1 to just set up security fence around transformer case 1. After the transformer box is overhauled and maintained, workers are required to load and transport the temporarily built safety fence away and store the safety fence in a warehouse on the ground.

Through the operation, the vehicle transportation railing is needed to be used when the transformer box is maintained and overhauled every time, and the railing is stored in an overground warehouse, so that the transportation resources and the storage resources are wasted.

Therefore, how to save transportation resources and storage resources is a technical problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the security fence for maintaining the transformer box, and the security fence can save transportation resources and storage resources.

In order to realize the purpose, the invention provides the following technical scheme:

the utility model provides a transformer case is maintained and is used security fence, including the railing, the railing is located in the reservation hole of transformer case soil on every side, be equipped with in the reservation hole and be used for driving the railing along the vertical gliding drive assembly of the hole wall of reservation hole, the adit that reserves the hole is equipped with the bracing piece that the level set up, the bracing piece is with the vertical sliding connection of the hole wall of reservation hole, be equipped with the apron that is used for sheltering from the adit that reserves the hole on the bracing piece, apron and bracing piece horizontal sliding connection, the railing top is equipped with the down tube, the lower extreme of down tube is articulated with the hole wall of reservation hole, the upper end of down tube is articulated with the one end of apron, the adit wall of reservation hole is equipped with and is used for pushing the down tube to the elastic component of railing.

Further, drive assembly includes motor, gear, rack, the pit wall of reservation hole is equipped with the motor, and the output shaft of motor is equipped with the gear, be equipped with the rack of vertical setting on the railing, rack and gear cooperation.

Further, the railing is provided with a railing guide groove, the pit wall of the reserved pit is provided with a railing guide rail, and the railing guide rail is in vertical sliding fit with the railing guide groove.

Furthermore, the lower terminal surface of bracing piece is equipped with the support guide arm, the pithead of reserving the hole is equipped with supporting sleeve, and in supporting sleeve was located to the support guide arm, supporting guide arm and the vertical sliding fit of supporting sleeve.

Furthermore, the up end of bracing piece is equipped with the support slide bar, the lower terminal surface of apron is equipped with the forked tail spout, supports slide bar and the horizontal sliding fit of forked tail spout.

Further, a pithead sealing strip is arranged at the pithead of the reserved pit.

Furthermore, the upper end face of the cover plate is provided with a mounting groove, and a turf is arranged in the mounting groove.

Furthermore, a bearing pile for bearing the railing is arranged at the bottom of the reserved pit.

Compared with the prior art, the invention has the beneficial effects that:

1. the safety fence for maintaining the transformer substation box provided by the invention can extend the handrail out of the reserved pit when the handrail is required to be used, and can be hidden in the reserved pit when the handrail is not required to be used, so that the purpose of taking the handrail at any time is realized, the handrail is flexibly taken, the storage resources on the ground are not required to be consumed for storing the handrail, the transportation resources are not required to be consumed for transporting the handrail, and the transportation resources and the storage resources are saved.

And, because when not using the railing, the railing can fall into the reservation hole to the pot hole that the reservation hole can be sheltered from to the apron, so can hide the railing in the reservation hole, reduce the risk that the railing was stolen.

2. The driving assembly is simple in structure, convenient to install and beneficial to improving the installation efficiency of the driving assembly.

3. According to the invention, the pithead sealing strip is arranged at the pithead of the reserved pit, so that rainwater on the ground can be prevented from entering the reserved pit from a gap between the cover plate and the pithead of the reserved pit, the probability that the handrail in the reserved pit is corroded due to wetting of the rainwater is reduced, the service life of the handrail is prolonged, and the cost for replacing and maintaining the handrail is saved.

4. According to the invention, the mounting groove is arranged on the upper end surface of the cover plate, and the turf is laid in the mounting groove, so that on one hand, the turf can be used for absorbing rainwater on the basis of stopping rainwater from entering the reserved pit by using the pithead sealing strip, so that the risk of rainwater entering the reserved pit is further reduced, the probability that the handrail in the reserved pit is corroded due to wetting rainwater is further reduced, the service life of the handrail is favorably further prolonged, and the cost consumed by replacing and maintaining the handrail is further saved; on the other hand, the cover plate and the reserved pit covered by the cover plate can be hidden, so that the invention can be integrated with a turf scene on the ground around the transformer box, thereby not only being beneficial to beautifying the environment, but also being beneficial to reducing the risk of the invention being maliciously damaged or stolen by people.

Moreover, when letting the railing upwards stretch out from the reservation hole, the apron that is used for sheltering from the reservation hole is that horizontal migration, bracing piece are vertical shifts up, so the turf of bearing on the apron can adorn stably on the apron, has reduced the risk that the turf dropped from the apron, need not the staff and carries out the operation that the turf was laid again after taking out the railing from the reservation hole at every turn for the use operation of railing is more convenient.

5. According to the invention, the supporting piles for supporting the handrails are arranged at the bottom of the reserved pit, so that the height of the handrails in the reserved pit can be raised by using the supporting piles, and therefore, even if accumulated water exists in the reserved pit, the probability that the handrails are corroded due to the fact that the handrails are soaked in the accumulated water can be reduced, the service life of the handrails can be further prolonged, and the cost for replacing and maintaining the handrails can be further saved.

Drawings

FIG. 1 is a schematic structural diagram of the prior art;

fig. 2 is a perspective view of a safety fence for maintaining a power transformation box in embodiment 1;

fig. 3 is a top view of the safety fence for maintaining the power transformation box in embodiment 1;

FIG. 4 is a cross-sectional view taken at line A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken at FIG. 3B-B;

FIG. 6 is a partial enlarged view of FIG. 5C;

FIG. 7 is a state change diagram of FIG. 6;

FIG. 8 is a state change diagram of FIG. 7;

fig. 9 is a perspective view of a partial structure of a safety fence for maintaining a power transformation box in embodiment 2;

FIG. 10 is a top view of FIG. 9;

FIG. 11 is a cross-sectional view taken at D-D of FIG. 10;

FIG. 12 is an enlarged view of a portion of FIG. 11E;

FIG. 13 is a cut-away perspective view of FIG. 10D-D;

FIG. 14 is an enlarged view of a portion of FIG. 13F;

fig. 15 is a partial enlarged view of fig. 13G.

In the figure:

1-a power transformation box, wherein,

2-a railing, 21-a railing guide groove,

3-a reserved pit, 31-a railing guide rail, 32-a motor base, 33-a supporting sleeve, 34-a pit opening sealing strip, 35-a supporting pile,

4-drive component, 41-motor, 42-gear, 43-rack,

5-a support rod, 51-a support guide rod, 52-a support slide rod,

6-cover plate, 61-dovetail slide groove, 62-mounting groove,

7-the inclined rod is arranged at the lower part of the frame,

8-elastic piece, 81-fixing piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 2 to 8, a safety fence for maintaining a power transformation box comprises a railing 2.

A reserved pit 3 is arranged in the soil around the transformer case 1, and the reserved pit 3 is of a reinforced concrete pit body structure. The railing 2 is arranged in the reserved pit 3. The pit wall of reservation hole 3 is equipped with railing guide rail 31, and railing guide rail 31 is vertical to be set up, and railing guide rail 31 passes through the fix with screw at the pit wall of reservation hole 3, and railing 2 is equipped with railing guide slot 21, and railing guide rail 31 inserts in railing guide slot 21. When the balustrade 2 moves up and down in the vertical direction in the prepit 3, the balustrade guide rail 31 and the balustrade guide groove 21 move relatively.

Be equipped with drive assembly 4 in reserving hole 3, drive assembly 4 is used for driving railing 2, makes railing 2 can reciprocate along vertical direction in reserving hole 3. The driving assembly 4 comprises a motor 41, a gear 42 and a rack 43. The pit wall of reservation pit 3 is equipped with motor cabinet 32, and motor cabinet 32 passes through the fix with screw on the pit wall of reservation pit 3, is equipped with motor 41 on the motor cabinet 32, and the quick-witted case of motor 41 passes through the fix with screw on motor cabinet 32, and the welding has gear 42 on the output shaft of motor 41, and the welding has the rack 43 of vertical setting on railing 2, and rack 43 and gear 42 mesh.

The supporting rod 5 is horizontally arranged at the opening of the reserved pit 3, the lower end face of the supporting rod 5 is welded with the supporting guide rod 51, the supporting sleeve 33 is arranged on the pit wall of the reserved pit 3, the supporting sleeve 33 is fixed on the pit wall of the reserved pit 3 through screws, and the supporting guide rod 51 is inserted into the supporting sleeve 33. When the support rod 5 moves up and down in the vertical direction in the prepit 3, the support guide 51 and the support sleeve 33 move relatively.

Be equipped with the apron 6 that is used for sheltering from the adit of reserving hole 3 on the bracing piece 5, the lower terminal surface of apron 6 is equipped with forked tail spout 61, and the welding of the up end of bracing piece 5 has support slide bar 52, and support slide bar 52 inserts in forked tail spout 61. When the cover plate 6 slides on the support bar 5 in the horizontal direction, the support slide bar 52 and the dovetail groove 61 move relative to each other.

The upper side of railing 2 is equipped with down tube 7, and the lower extreme of down tube 7 is articulated with the hole wall of reserving hole 3, and the upper end of down tube 7 is articulated with the one end of apron 6.

The pit wall of reservation hole 3 is equipped with elastic component 8, and elastic component 8 adopts the spring, and elastic component 8's one end and down tube 7 welded fastening, the other end welding of elastic component 8 has stationary blade 81, and stationary blade 81 passes through the fix with screw at the pit wall of reservation hole 3. The elastic member 8 can push the diagonal member 7 toward the balustrade 2.

As shown in fig. 6, the handrail 2 is hidden in the reserved pit 3, at this time, the supporting guide 51 of the lower end surface of the supporting rod 5 is completely inserted into the supporting sleeve 33 of the wall of the reserved pit 3, the cover plate 6 completely covers the opening of the reserved pit 3, and the elastic element 8 pushes the slanting rod 7 towards the handrail 2.

When the railing 2 is required to be used for enclosing the transformer case 1, the railing 2 needs to be lifted from the pre-pit 3, and the following operations are specifically carried out: the staff starts the motor 41 in the driving assembly 4, the output shaft of the motor 41 drives the gear 42 to rotate counterclockwise, as shown in fig. 6-8, the state changes, the rack 43 engaged with the gear 42 moves upwards, and the railing 2 welded and fixed with the rack 43 moves upwards. In the process of moving the handrail 2 upwards, the upper end of the handrail 2 pushes up the inclined rod 7, and the inclined rod 7 pushed upwards by the handrail 2 rotates clockwise by taking the lower end of the inclined rod 7 as a rotation center along with the continuous upward movement of the handrail 2. Along with the clockwise rotation of down tube 7, elastic component 8 is compressed gradually, and down tube 7 upper end drives apron 6 to the upper right side, and on the one hand, apron 6 takes bracing piece 5 to move up together, and in the in-process that the bracing piece 5 moved up, the support guide 51 of bracing piece 5 lower extreme face shifts up from the support sleeve 33 on the pit wall of reservation hole 3, and on the other hand, apron 6 horizontal migration right on bracing piece 5, so along with down tube 7 upper end drives apron 6 to the upper right side, apron 6 not only shifts up, and apron 6 still moves to the right side of level. When the inclined rod 7 is rotated to the state shown in fig. 8, the position right above the railing 2 is not shielded by the cover plate 6, the railing 2 extends upwards from the reserved pit 3, and the motor 41 is stopped.

When railing 2 is in the state of upwards stretching out from reserving hole 3, railing 2 is in when the state as shown in fig. 8 promptly, transformer box 1 can be enclosed by railing 2, and railing 2 can block the passerby mistake and go into transformer box 1 this moment, plays the safety protection effect to transformer box 1.

After the maintenance to transformer case 1 is accomplished, need not to reuse railing 2, need hide railing 2 again to reserve hole 3 in, concrete operation is as follows: when the worker starts the motor 41 in the driving assembly 4, the output shaft of the motor 41 drives the gear 42 to rotate clockwise, and referring to the state change shown in fig. 8 to fig. 6, the rack 43 engaged with the gear 42 moves downwards, and the railing 2 welded and fixed with the rack 43 moves downwards. The handrail 2 gradually moves down into the reserved pit 3, and moves down with the continuation of the handrail 2, when the handrail 2 moves down to the below of the diagonal rod 7, the diagonal rod 7 is pushed by the elastic force of the elastic piece 8 to press down on the handrail 2, so that the diagonal rod 7 rotates counterclockwise with the lower end of the diagonal rod 7 as the rotation center, and the diagonal rod 7 rotating counterclockwise drives the cover plate 6 to the left lower side, on one hand, the cover plate 6 moves down together with the support rod 5, in the process of moving down of the support rod 5, the support guide rod 51 on the lower end surface of the support rod 5 moves down from the support sleeve 33 on the pit wall of the reserved pit 3, on the other hand, the cover plate 6 moves horizontally to the left on the support rod 5, so as to drive the cover plate 6 to the left lower side with the lower end of the diagonal rod 7, the cover plate 6 not only moves down, but also the cover plate 6 moves horizontally to the left. When the cover plate 6 shields the opening of the reserved pit 3 again, the support guide rod 51 on the lower end surface of the support rod 5 is completely inserted into the support sleeve 33 on the pit wall of the reserved pit 3, and the motor 41 is shut down.

By the above process of using the balustrade 2 and concealing the balustrade 2, it can be seen that: the utility model provides a security fence is used in transformer case maintenance, can use railing 2 when needs, can stretch out railing 2 from reserving hole 3, when need not use railing 2, can hide railing 2 in reserving hole 3 to the random access, it is nimble to use, need not to consume subaerial storage resources and store railing 2, also need not to consume transportation resources and transports railing 2, has practiced thrift transportation resources and storage resources.

And, because when not using railing 2, railing 2 can fall into reservation hole 3 to apron 6 can shelter from the adit of reservation hole 3, so can hide railing 2 in reservation hole 3, reduce the risk that railing 2 was stolen.

Example 2

As shown in fig. 9-15, the present embodiment 2 is further improved on the basis of embodiment 1:

in the security fence for maintaining the transformer substation box of this embodiment 2, the pithead of the reserved pit 3 is provided with a pithead sealing strip 34, and the pithead sealing strip 34 is fixed at the pithead of the reserved pit 3 through a screw. Through setting up pithead sealing strip 34, can prevent that subaerial rainwater from entering into reserved hole 3 from the gap between apron 6 and the 3 pitheads of reserved hole to reduce the railing 2 in the reserved hole 3 because be stained with the probability that the rainwater and rust, be favorable to prolonging the life of railing 2, thereby save the cost that maintenance railing 2 consumes of changing.

Further, the upper end surface of the cover plate 6 is provided with an installation groove 62, and a turf (not shown in the figure) is laid in the installation groove 62. By the arrangement, on one hand, the turf can be used for absorbing rainwater on the basis of stopping rainwater from entering the reserved pit 3 by using the pit opening sealing strip 34, so that the risk of rainwater entering the reserved pit 3 is further reduced, the probability that the handrail 2 in the reserved pit 3 is corroded due to wetting of rainwater is further reduced, the service life of the handrail 2 is further prolonged, and the cost for replacing and maintaining the handrail 2 is further saved; on the other hand, can also hide the reservation hole 3 that apron 6 and apron 6 cover to can let a transformer box of this embodiment 2 maintain with security fence and the turf scene on the soil around transformer box 1 combine together, not only be favorable to beautifying the environment, still be favorable to reducing transformer box of this embodiment 2 to maintain with security fence is by the risk of the malicious destruction of people or stealing. Moreover, when letting railing 2 upwards stretch out from reserving hole 3, a apron 6 for sheltering from reserving hole 3 is horizontal migration, bracing piece 5 is vertical the ascending, so the turf of bearing can stably adorn on apron 6, has reduced the risk that the turf dropped from apron 6, need not the staff and carry out the operation that the turf was laid again after taking out railing 2 from reserving hole 3 at every turn, makes railing 2's use operation more convenient.

Further, the bottom of the reserved pit 3 is provided with a bearing pile 35 for bearing the railing 2, and the bearing pile 35 is fixed to the bottom of the reserved pit 3 through screws. The setting of bearing stake 35 can raise the height of railing 2 in reservation hole 3 to even there is ponding in reservation hole 3, also can reduce railing 2 because of soaking ponding and the probability of corrosion, be favorable to further extension railing 2's life, thereby further sparingly change the cost that maintenance railing 2 consumeed.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.